@charset "UTF-8";
/*分数形式（div）.css*/
.fraction{
    text-align:center;
    float:left;
    margin-left:3px;
    margin-right:3px;
    width:60px;

}
/****题目(<td>)****/
.expr{
	font-size: x-large;
}

/****非分数/运算符(<div>)*****/
.nomal{
	text-align:center;
	float:left;
	position: relative;
	top: 16px;
	font-size:40px;
	margin-left: 3px;
	margin-right: 3px;
	width:20px;

}